Thatcher is a surname of English origin that means "roof thatcher," referring to a person who worked as a thatcher, someone who would cover roofs with thatch, a natural and sustainable roofing material. This name is most commonly found in England, particularly in the southern regions. Individuals with the surname Thatcher may have ancestors who worked in the construction or agricultural industries. It is a unique and traditional surname that carries a sense of history and craftsmanship. Famous bearers of the name include former British Prime Minister Margaret Thatcher.